Author:Kuyper, L; Weinert, IAG; Mcgill, AEJDate:1993The effect of modified atmosphere packaging in combination with the addition of calcium hypochlorite on the atmosphere composition, colour and microbial quality of mushrooms was investigated. A modified atmosphere which slowed down discolouration ...Read more
Author:Naidoo, Sasha; Zbonak, A; Ahmed, FDate:Sep 2006Productivity of forest plantations in South Africa is highly dependant on soil moisture availability. Soil moisture availability is often limited and evaporative demand is high. Eucalyptus grandis, planted extensively in South Africa, is ...Read more
Author:Kumar, Rakesh; Yakabu, MK; Anandjiwala, RDDate:2010Bio-composites (PF) were successfully prepared by reinforcing poly lactic acid (PLA) with woven flax fibers (F) in the presence of mandelic acid, benzilic acid, dicumyl peroxide (DCP) and zein as dditives. To improve the mechanical properties ...Read more
Author:De Kock, A; Freg, E; Gummow, RJDate:Feb 1998The aim of this investigation is to determine optimised spinel cathode compositions that can be used in lithium cells. The cycling stability of 4 V LixMn2O4 electrodes in lithium, flooded electrolyte glass cells has been improved by the ...Read more
Author:Mphahlele, NDate:Oct 2012Significant attention is being paid to dye solar cells (DSCs) as the next generation in solar cell technology for their low cost alternative to the currently implemented solid state solar cells [1]. In these devices, photosensitisers are one ...Read more
Author:Cele, NP; Ray, SSDate:Oct 2015The dispersion of carbon nanotubes is one of the problems in the application of polymer nanocomposites. In this study, the effect of chemical functionalization of the carbon nanotube surface on the dispersion of the tubes within a polymer is ...Read more
Author:Ojijo, Vincent O; Ray, Suprakas S; Sadiku, RDate:Apr 2012Polylactide/poly[(butylene succinate)-co-adipate] (PLA/PBSA)-organoclay composites were prepared via melt compounding in a batch mixer. The weight ratio of PLA to PBSA was kept at 70:30, while the weight fraction of the organoclay was varied ...Read more
Author:Cele, HM; Ojijo, Vincent O; Chen, H; Kumar, S; Land, K; Joubert, T; De Villiers, MFR; Ray, SSDate:Jun 2014This article reports the modification of optical properties of biodegradable/biocompatible polylactide (PLA) using organically modified montmorillonite (OMMT) for microcantilever applications. PLA/OMMT composite films with various OMMT loadings ...Read more
Author:Bandyopadhyay, J; Ray, Suprakas SDate:May 2012The non-isothermal crystallization behaviour and kinetics of neat poly(propylene)(PP), PP/poly[(butylene succinate)-co-adipate] (PP/PBSA) blend and its composite with nanoclay was studied by differential scanning calorimetry at six different ...Read more
Author:Salehiyan, Reza; Nofar, M; Malkappa, Kuruma; Ray, Suprakas SDate:Sep 2020This article reports the effects of the characteristics and selective localization of nanofillers on the morphology development and rheological properties of melt-processed polylactide/poly(butylene adipate-co-terephthalate) (PLA/PBAT) blend ...Read more
Author:Chauke, L; Daswa, P; Möller, H; Govender, SDate:Jul 2015Near-net shape casting of wrought aluminium alloys has proven to be difficult due to hot tearing. The Council for Scientific and Industrial Research (CSIR) has successfully processed wrought aluminium alloy 2139 into plate castings using the ...Read more
Author:Malatji, N; Popoola, API; Lengopeng, T; Pityana, Sisa LDate:Oct 2020AlCrFeNiCuNb(subx) high entropy alloys were successfully fabricated using laser metal deposition technique. Laser power of 1600W and scanning speed of 1.2 m/min were used during the processing of the alloys. The microstructural, mechanical ...Read more
Author:Raganya, Mampai L; Moshokoa, N; Obadele, B; Makhatha, E; Machaka, RonaldDate:2021The effect of Nb in the glue site of the cluster-plus-glue atom model formula on the microstructure and mechanical properties of Ti-Mo alloy was investigated. Phase and microstructural analysis were performed by X-ray diffraction and electron ...Read more
Author:Joubert, G; Barnard, EDate:Nov 2005The authors describe a system, based on open-source tools, that was developed in order to study the effect of network degenerations in Voice-over-Internet-Protocol applications on speech-recognition accuracy. Sophisticated play-out algorithms ...Read more
Author:Kunjuzwa, Niki; Kebede, Mesfin A; Mathe, Mahlanyane K; Modibedi, Remegia MDate:May 2019A comparative study was carried out with the effect of nickel precursors on the electrochemical performance of spinel LiMn2−x Ni x O4 (x = 0, 0.1 and 0.2) cathode materials. The spinel materials were prepared by employing a low temperature ...Read more
Author:Cawse K; Robin A; Sears MDate:Jun 2011Determining the intrinsic dimension of a hyperspectral image is an important step in the spectral unmixing process, and under- or over- estimation of this number may lead to incorrect unmixing for unsupervised methods. It is known that most ...Read more
Author:Mhlabeni, Thobile L; Kesavan Pillai, Sreejarani; Ray, Suprakas SDate:Nov 2019In this study, poly(lactic acid) (PLA)/poly[(butylene succinate)-co-adipate] (PBSA) blend and its nanocomposites with layered double hydroxides (LDH) containing surface stearic acid functional groups (SaLDH) were prepared using the extrusion ...Read more
Author:Bandyopadhyay, J; Ray, SS; Bousmina, MDate:Aug 2007The preparation and thermal and thermo-mechanical properties of nanocomposites based on liquid-crystalline polymers (LCP) and organically-modified layered silicate (OMLS) is described. From XRD patterns, very little smectic ordering is present ...Read more
Author:Mohlala, M; Modibedi, Remegia M; Mathe, Mahlanyane KDate:Nov 2007In polymer electrolyte membrane fuel cell (PEMFC), platinum is recognized to be the most active metal for methanol oxidation, however there is a strong CO adsorption tendency, which blocks the surface for further methanol adsorption and leads ...Read more